linux-kernel - Re: [PATCH 6.6 000/290] 6.6.95-rc1 review

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Message-ID: <99c4f6ad-8861-4e4a-9db2-06ddcff2b7e6@oracle.com>
Date: Tue, 24 Jun 2025 17:25:11 +0530
From: Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: stable@...r.kernel.org, patches@...ts.linux.dev,
        linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
        patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
        jonathanh@...dia.com, f.fainelli@...il.com, sudipm.mukherjee@...il.com,
        srw@...dewatkins.net, rwarsow@....de, conor@...nel.org,
        hargar@...rosoft.com, broonie@...nel.org,
        Darren Kenny <darren.kenny@...cle.com>,
        Vegard Nossum <vegard.nossum@...cle.com>
Subject: Re: [PATCH 6.6 000/290] 6.6.95-rc1 review

Hi Greg,

>> Build issue:
>>
>> In file included from main.h:14,
>>                   from cgroup.c:20:
>> cgroup.c: In function 'do_show':
>> cgroup.c:339:36: error: 'cgroup_attach_types' undeclared (first use in this
>> function); did you mean 'parse_attach_type'?
>>    339 |         for (i = 0; i < ARRAY_SIZE(cgroup_attach_types); i++) {
>>        |                                    ^~~~~~~~~~~~~~~~~~~
>>
>>
>>
>> BPF tool build is failing:
>>
>>
>> Culprit looks like:
>>
>> commit: 27db5e6b493b ("bpftool: Fix cgroup command to only show cgroup bpf
>> programs")
>>
> 
> Odd that 6.1.y isn't failing as well.  I'll go drop this from all
> branches older than 6.15.y for now.
> 

I did test 6.12.y and 6.6.y but not 6.1.y.

So didn't report 6.1.y - but the issue is there as well.

Let us not drop it from 6.12.y greg. Why ?

The problem is because this commit was missing in 6.6.y causing the 
build to fail. but this commit: 98b303c9bf05 ("bpftool: Query only 
cgroup-related attach types") is present in 6.12.y. So lets us not drop 
backport of commit: b69d4413aa19 ("bpftool: Fix cgroup command to only 
show cgroup bpf programs") from 6.12.y



   mainline        : v6.11-rc1 - 98b303c9bf05 bpftool: Query only 
cgroup-related attach types
   ├── stable-6.11 : v6.11-rc1 - 98b303c9bf05
   ├── stable-6.12 : v6.11-rc1 - 98b303c9bf05
   ├── stable-6.13 : v6.11-rc1 - 98b303c9bf05
   ├── stable-6.14 : v6.11-rc1 - 98b303c9bf05
   ├── stable-6.15 : v6.11-rc1 - 98b303c9bf05


Summary: Drop the patch we are talking about: upstream  commit: 
b69d4413aa19 ("bpftool: Fix cgroup command to only show cgroup bpf 
programs") from 6.1.y and 6.6.y but not from 6.12.y

Thanks,
Harshit
> thanks,
> 
> greg k-h
>